Power Electronics Dynamic equalising circuit is useful to limit di / dt of SCR. both B and C. to limit dV / dt of SCR. for voltage equalisation. to limit di / dt of SCR. both B and C. to limit dV / dt of SCR. for voltage equalisation. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. None of these Cut-off Negative resistance Saturation None of these Cut-off Negative resistance Saturation ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? None of these. Breakdown of junction. Local hot spot. Insulation failure. None of these. Breakdown of junction. Local hot spot. Insulation failure. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using heat sink. snubber circuit. voltage clamping device. fuse. heat sink. snubber circuit. voltage clamping device. fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the loss . To minimize the charging current. All of these. To minimize the discharging current. To minimize the loss . To minimize the charging current. All of these. To minimize the discharging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ Cathode, anode, gate Drain, source, gate Two main terminal and a gate terminal None of these Cathode, anode, gate Drain, source, gate Two main terminal and a gate terminal None of these ANSWER DOWNLOAD EXAMIANS APP
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